P0055 DTC

P0055

Technical Definition:

Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 – Sensor 3)

Trouble Code: P0055
Address: 0x0055
System: Powertrain
Subsystem: Fuel & Air metering, Auxiliary emission controls
Technical Description:

Possible Causes:

Possible Symptoms:

HO2S Heater Resistance Bank 1 Sensor 3

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Heated Oxygen Sensor Bank 1 Sensor 3
– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted
– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection

Specific Makes: